Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bb0b319a636b4053b3bd35d3823b002b : SUCCESS in 6m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e88334d4d6cc42e4b865cd77e9d2dd35 : FAILURE in 5m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2768c027b94e497a8bce7c3222dee58c : SUCCESS in 10m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f2793c9c434041f48dedc8e1b4f9b08d : SUCCESS in 6m 25s